(1992). McGraw-Hill encyclopedia of science & techno-: Logy: an international reference work in (7th ed.). McGraw-Hill.
Chicago-viite (17. p.)McGraw-Hill Encyclopedia of Science & Techno-: Logy: An International Reference Work in. 7th ed. New York: McGraw-Hill, 1992.
MLA-viite (9. p.)McGraw-Hill Encyclopedia of Science & Techno-: Logy: An International Reference Work in. 7th ed. McGraw-Hill, 1992.
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